Shearing and punching machine



(No Model.) 2 Sheets-Sheet 1.

J. E. DEN HAM. SHEARING AND PUNGHING MACHINE.

Patented June Z8 W i 7M I .J\ .f. NN e A M j I; l. Nv ...n a m\ \N Jl!l, l E Si I fr. u w w N., a w un# 1.. www. d.. M w x.- AN mm. s, I bm&N... w. Q. m w n *N R H w v I 1%. $5 um. l i ...Q 7H M vu mw w .5 .SQ .ux bh. .HW I *Mr t M Hd iisszs me Nonms PETERS co. mom-uwe, WASHINGTON.D. c

(No-Model.) l 2 sheets-sheet 2. J. E. BENI-IAM.

SHBARING AND PUNGHING MACHINE.

No. 606,194. Patented June 28,1898.;

Nirnn Srnrns JOHN E. BENI-IAM, OF STA-NBERRY, MISSOURI.

SHEARING AND PUNCHING MACHINE.

SPECIFICATION forming part of Letters Patent No. 606,194, dated June 28,1898.

, Application filed June 1l, 1897. Serial No. 640,360. (No model.)

To @ZZ whom', t may concern:

Be it known that I, JOHN E. DENHAM, a citizen ofthe United States,residing at Stanberry, in the county of Gentry'and. State of Missouri,have Yinvented a new and useful Shearing and Punching Machine, of whichthe following is a specication.

My invention relates to shearing and punching machines, and has for itsobject to provide a simple and compact construction and arrangement ofparts whereby the operations of shearing metal rods and plates andpunching, either by means of single or cluster punches, may beaccomplished with facility.

Further objects and advantages of this invention will appear in the.following description, and the novel features thereof will beparticularly pointed out in the appended claims.

In the drawings, Figure 1 is a perspective view of a machine of theclass mentioned constructed in accordance with my invention. Fig. 2 is aside view showing the opposite side of the machine. Fig. 3 is a detailview of the cluster-punch-operating devices, showing the swinging ormovable bar elevated. Fig. 4 is a detail view in perspective of thepunchdriving head detached. Fig. 5 is a detail transverse section of thepivotal guide-bearing in the plane of the securing-pin.

Similar numerals of reference indicate corresponding parts'in all thegures of the drawings.

Supported by standards 1 and 2 are horizontal stationary bars 3 and 4,of which the upper bar 3 carries stationary shear-blades 5 and `6 tocoperate with corresponding movable shear-blades 7 and S on the swingingor movable bar 9. This movable'bar is fulcrumed in a vertical slot inthe rear standard 2 and" 'guide 3i.

A seriesof cluster-punches' 1G is supportled bythe stationary bar, 3thesame being mountedfin suitable alined upper and lower guides'lf'and 1Sand being adapted to cop- 'erate with a die-plate 19, supportedbya seati 20 on they lower stationarybar 4, said" dieplate being held in placeby a suitable ,fastening device 21. These punches are designed to beoperated separately by means of a punch-driving head or b1ock22,which ismounted to slideupon theswinging bar 9 for successive alinement with thepunches. In the construction illustrated this driving-head is cut awayatits center to receive the lower edge of the swinging bar 9 and isprovided with inturned guide lips or ears 23 to fit in grooves 24,formed inthe' opposite vside surfaces of the bar, and one groove ispreferably provided at one end with a communicating outlet-opening 25,by which the head may be dismounted. Furthermore, it is desirable ateach upward movement of the swinging or operating bar 9 to draw thepunches, and hence I provide a lifting-arm 26, fulcrumed at 27 andextending 'under a suitable ear 28 'on each punch, with its free endfitted in a suitable-guide orkeep'er 29, and a trip 30, pivotallymounted upon thel swinging or operating bar 9 and lprovided with ashouldered lowerv extremity to engage thefree end of the lifting-barwhen advancedinto operative relation therewith by means of an inclinedThe trip is preferably provided upon the side contiguous to the guide 31with a pressure-spring 32, and the opposite side of the'trip is providedwith acam-face 33 to en- A gagepa deflecting-stop 34, consisting in thepresent 'construction of anantifriction-roll,

whereby lthe lower or free end of the trip is deiected forwardly todisengage its shoulder IOO nected the actuating-lever 54.

In addition to the cluster-punches I employ a single punch preferablyarranged in rear of Vthe standard 2 and carried by the short arm ing issecured above the plane of the bar 3,.

between the walls of the slot in the rearstandard 2, by means of a bolt4l. The die 42 for cooperation with the punch is carried by a fixed arm43.

Furthermore, in order to facilitate the shearing of round rods I providerod-shearing devices consisting of openings 44, of different diameters,in the swinging or operating lever 9, preferably contiguous to and oneither side of its fulcrum, and corresponding openings 45, formed inextensions or ears of the upright 2 at one side of the plane of theoperating-lever. Vhen the operating-lever is elevated, theserod-shearing openings are brought into registration for the insertion ofa rod, after -which the movement of the lever downwardly at its free endwill produce the desired shearing action between the lever and the fixedopenings in the standard.

Furthermore,in addition to the shearing and punching devices abovedescribed I employ a tire-shrinker consisting of cooperating fixed andmovable clutches, the movable clutch being carried by a swinging arm 46,mounted on the operating-lever 9, and consisting of fixed and swingingclutch members 47 and 4S, the latter of which is mounted upon a stud 49on said swinging arm, and the fixed clutch consisting of a stationaryjaw or member 50 and a movable jaw 01 member 5I, the latter beingfulcrumed upon a swinging arm 52. Said arm 52 is provided at its lowerend with a pivotpin 53, which forms a fulcrum for the movable member ofthe fixed clutch, while to the Lipper end of said swinging arm 52 iscontion between the actuating-lever and the arm 52 is pivotal, as shownatV 55, and this actuating-lever is connected by links 56 with anextension 57 of the swinging'meinber 48 of the movable clutch. It willbe seen that the movement of the actuating-lever in the direction of thearrows in Figs. l and 2 will cause the movable clutch to swing towardthe fixed clutch and will cause the swinging member 48 of the movableclutch to bite the article which is arranged between the jaws of saidclutch, and at the same time the pressure applied to the upper extremityof the swinging arm 52, which carries the movable member of the fixedclutch, will force the movable member 5l of the fixed clutch into moreinti mate contact with the article engaged thereby.

Frein the above description it will be seen that the construction andarrangement of the machine are simple and compact, bringing the variouseoperatingparts thereof within reach of the operator, and that inparticular the punching devices are so arranged as to receive efficientpower in operation, while enabling the work to be adjusted accuratelywith relation thereto.

Various changes in the form, proportion, and the minor details ofconstruction may be resorted to without departing from the spirit orsacrificing any ot' the advantages of this invention.

Having described my invention, what I claim isl. In a machine of theclass described, the combination with a plurality of punches arranged inseries, of an operatingdever having a fixed pivot and arranged parallelwith the series of punches, and a punch-driving head adj ustably mountedupon thelever for" movement independently of the same to arrange itinthe plane of either of the punches, substantially 4as specified. l

2. In a machine of the class described, the combination of a pluralityof punches arranged in series, an operating-lever arranged parallel withtheseries of punches and capable of swinging movement, and apunclrdriving head mounted to slide upon the operating-lever forarrangement in the plane of either of the punches, said head havinginturned guide fingers or ears to engage grooves in the opposite sidesurfaces of the operatinglever, substantially as specified.

3. In a machine of the class described, the combination with a series ofpunches, of an operating-lever provided with means for successivelydriving the punches, a lifting-arm arranged in operative relation withthe punches and adapted when eleva-ted at its free end to draw thelatter, and a trip carried by the operating-lever for engaging andcommunicating upward movement tothe free end of the lifting-arm,substantially as specilied.

4. In a machine of the class described, the combination with a series ofpunches, of an operating-lever provided with means for suecessivelydriving the punches, a lifting-arm arranged in operative relation withthe punches and adapted when elevated at its free end to draw thelatter, a trip carried by the operating-lever for engaging andcommunicating upward movement to the free end of the lifting-arm, andmeans for disengaging the trip from the lifting-arm when it reaches apredetermined point, substantially as specified.

5. In a machine of the class described, the combination with a series ofpunches, of an operating-lever provided with means for successivelydriving the punches,a lifting-arm arranged in operative relation withthe punches and adapted when elevated at its free end to draw thelatter, a trip carried by the operating-lever for engaging andcommunicating upward movement to the free end of the lift- IOO IIO

ing-arm, and means, consisting of a cam, on the trip, and a fixed stopfor coperation therewith, to disengage the trip from the lifting-arm,substantially as specified.

6. In a machine of the class described, the combination of terminalstandards connected by stationary upper and lower bars 3 and 4L, amovable bar mounted to swing in the plane of the fixed bars, means foractuating said movable bar, shear-blades carried by the movable andupper fixed bars respectively contiguous to thc standards, a series ofpunches mounted in guides located between the shearblades on the upperfixed bar, a die-plate carried by the lower fixed bar, adjustable meanscarried by the swinging bar for successively driving the punches,a-lifting-arm mounted for swinging movement upon the upper iixed bar forcooperation with projections on the punches, and trip devices actuatedby the swinging bar for operating the lifting-arm, substantially asspecified.

7. In a machine of the class described, the combination with a fixeddie, of an operating-lever provided with a socket, a punch having aheadremovably fitted in said socket, an adjustable latch for locking thepunchhead in its socket, and a pivotally-movable guidefor the punch, thesame consisting of a guide-tube having a stem, and a tubular bearingadapted to receive the stem, substantially as specified. c

In testimony that I claim the foregoing as my own I have hereto affixedmy signature in the presence of two Witnesses.`

JOHN E. DENHAM.

Witnesses:

WILLIAM F. SAGER, CLARK D. ALLEN.

